Argentina climate
World Climates covers 31 places in Argentina. By annual mean temperature, the warmest is Formosa (23 °C73 °F) and the coolest is Comodoro Rivadavia (12 °C53 °F). The wettest is Posadas with 1,771 mm70 in of precipitation per year, the driest Rawson with 145 mm5.7 in.
The most common climate types (Köppen classification computed from these averages) are humid subtropical (Cfa, 15 places), monsoon-influenced humid subtropical (Cwa, 6 places), hot semi-arid (BSh, 3 places) and cold semi-arid (BSk, 3 places).
The highest monthly average high is in Rawson (36 °C97 °F in January); the lowest monthly average low is in Neuquén (0 °C33 °F in July).
Across the places in Argentina, the months that most often rank as the most comfortable are April, May and September (21, 20 and 25 of 31 places respectively).
Frequently asked questions
Which is the warmest place in Argentina?
By annual mean temperature, the warmest place in Argentina is Formosa at 23 °C73 °F. The coolest is Comodoro Rivadavia at 12 °C53 °F.
Where does it rain the most in Argentina?
Posadas gets the most precipitation, 1,771 mm70 in in an average year. The driest place is Rawson with 145 mm5.7 in.
How many places in Argentina does this site cover?
World Climates has climate data for 31 places in Argentina. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.
When is the best time to visit Argentina?
It depends on the place. Across Argentina, the months that most often rank as the most comfortable are April, May and September. Check the page of each city for its own best months.
Climate of every place in Argentina
| Place | Year | Max high | Min low | Precip. |
|---|---|---|---|---|
| Buenos Aires | 18 | 28 | 9 | 1,103 |
| Córdoba | 19 | 33 | 4 | 799 |
| Rosario | 18 | 33 | 4 | 1,091 |
| Mar del Plata | 14 | 24 | 6 | 1,159 |
| San Miguel de Tucumán | 21 | 34 | 6 | 923 |
| Salta | 21 | 32 | 9 | 783 |
| Santa Fe | 19 | 34 | 6 | 1,153 |
| Corrientes | 22 | 33 | 9 | 1,384 |
| Posadas | 21 | 32 | 10 | 1,771 |
| Bahía Blanca | 16 | 33 | 2 | 647 |
| Merlo | 17 | 31 | 4 | 1,108 |
| San Salvador de Jujuy | 19 | 30 | 6 | 790 |
| Santiago del Estero | 22 | 36 | 6 | 682 |
| Laferrere | 16 | 32 | 4 | 1,069 |
| Neuquén | 15 | 33 | 0 | 249 |
| Formosa | 23 | 34 | 10 | 1,400 |
| La Plata | 17 | 30 | 5 | 1,072 |
| Berazategui | 17 | 30 | 5 | 1,072 |
| La Rioja | 22 | 35 | 7 | 436 |
| San Luis | 17 | 32 | 2 | 694 |
| Ituzaingó | 22 | 33 | 10 | 1,586 |
| Catamarca | 21 | 34 | 6 | 473 |
| Río Cuarto | 17 | 32 | 2 | 811 |
| Concordia | 19 | 33 | 6 | 1,414 |
| Comodoro Rivadavia | 12 | 23 | 2 | 289 |
| San Nicolás de los Arroyos | 17 | 32 | 4 | 1,178 |
| Rawson | 21 | 36 | 6 | 145 |
| San Rafael | 17 | 33 | 1 | 410 |
| Tandil | 14 | 30 | 1 | 907 |
| Mendoza | 17 | 33 | 2 | 290 |
| Santa Rosa | 16 | 33 | 1 | 743 |
Year = annual mean temperature; max high = average high of the warmest month; min low = average low of the coldest month; precip. = annual total. Temperatures in °C°F, precipitation in mminches. Sorted by population.
Other cities over 100,000 people
These cities share a NASA POWER grid cell with a larger place, so their averages are shown on that page:
- Avellaneda → data of Buenos Aires
- Resistencia → data of Corrientes
- Quilmes → data of Buenos Aires
- Paraná → data of Santa Fe
- José C. Paz → data of Merlo
- Lanús → data of Buenos Aires
- San Miguel → data of Merlo
- Moreno → data of Merlo
- Isidro Casanova → data of Merlo
- Ezeiza → data of Laferrere
- Lomas de Zamora → data of Berazategui
- San Juan → data of Rawson
- Castelar → data of Merlo
- San Justo → data of Merlo
Data: NASA POWER climatology 2001–2025 (MERRA-2 reanalysis, CERES satellite data) — grid-cell averages, not station records. Sources and method.